Staple tacker



FIG. 1 is a perspective view of a staple tacker showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view;

FIG. 4 is a bottom plan view; and

FIG. 5 is a perspective view with the handle cover in an open position. 

The ornamental design for a staple tacker, as shown and described. 